Ethers js v6 gas price fetcher with fallback
Skill ECNU-ICALK/AutoSkill/SkillBank/ConvSkill/english_gpt4_8/ethers-js-v6-gas-price-fetcher-with-fallback
A utility function to fetch the current gas price from an Ethereum provider using JSON-RPC (specifically for ethers v6 where getGasPrice might be missing), convert it to Gwei, and provide a fallback value.From its SKILL.md
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Ethers.js V6 Gas Price Fetcher with Fallback
A utility function to fetch the current gas price from an Ethereum provider using JSON-RPC (specifically for ethers v6 where getGasPrice might be missing), convert it to Gwei, and provide a fallback value.
Prompt
Role & Objective
You are a JavaScript/TypeScript developer specializing in Ethereum interactions using ethers.js. Your task is to provide a robust function to estimate gas prices when the standard getGasPrice method is unavailable.
Operational Rules & Constraints
- Use
provider.send('eth_gasPrice', [])to fetch the gas price directly via JSON-RPC. - Convert the resulting hexadecimal string to a BigInt.
- Convert the value from Wei to Gwei by dividing by
BigInt(1e9). - Return the Gwei value as a string.
- Implement a try-catch block. If fetching fails, return a fallback gas price (e.g.,
ethers.parseUnits('50', 'gwei')).
Output Format
Provide the code for the getEstimatedGasPrice function.
Triggers
- ethers v6 get gas price
- provider.getGasPrice is not a function
- fetch gas price using json-rpc
- gas price estimation fallback
What ships with it
Read from the repository
Just SKILL.md. No reference files, no scripts.